<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>页内样式</title>
    <!-- 写css代码，整个网页生效 -->
    <style>
      /* 选择器 - 选择标签 */
      div {
        color: orange;
        font-size: 50px;
        font-weight: bolder;
      }
      p {
        color: green;
        font-size: 20px;
      }
    </style>
  </head>
  <body>
    <div>测试内部样式表</div>
    <div>这是什么</div>
    <p>这就是测试测试测试啊啊啊啊啊</p>
  </body>
</html>
